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Flat Flexible Connector Overview

Flat Flexible Connectors (FFC) are low profile, lightweight interconnection devices that provide rigid, reliable electrical connections. An FFC is typically composed of several components, including a conductive cable, two termination ends, and possibly a strain relief material or end insulation. The connectors have multiple advantages over more traditional wire-to-board connectors, such as easily connecting two PCBs together, offering improved electromagnetic interference (EMI) immunity, and reducing assembly costs.

Types of FFC Connectors

FFCs are divided into two broad categories: regular and flexible flat cable (FFC) connectors. Regular FFC connectors are designed to have two or more closely spaced rows of single-ended pins or blades. FFC connectors are also available in different pitch sizes, ranging from 0.5mm to 2.0mm.Flexible flat cable connectors are designed to provide a flexible and low-cost solution for interconnection between two printed circuit boards (PCBs). FFCs consist of copper conductor strands embedded in a flexible insulator, with a latch or connector at each end. FFC connectors can be mounted directly onto a PCB or into a customized component.

Terminology of FFC Connectors

When selecting an FFC connector, it is important to consider information such as its pitch, row size, and open side. The pitch describes the distance between the centerlines of two adjacent pins, while the row size denotes the number of contacts in the connector. The open side refers to the orientation of the connector when the connector is inserted into a mating receptacle or PCB.

046214016010800+ Application Field and Working Principle

The 0462 format FFC connectors are widely used in various consumer appliances, such as gaming consoles and portable media devices. They provide a secure, low-profile connection while being very robust and cost-effective.The working principle behind the 0462 format FFC connectors is to connect circuit boards in a two-piece, low-profile system that uses clips and connectors to attach the two components. The base of the connector typically faces the board, while the clip fits over the center of the base. This carefully measured clip maintains minimal stress on the center of the base, while still ensuring a firm connection. The pins are mounted on the base and then terminate into the board at the middle portion of the connector.The 0462 FFC connector’s most significant advantages are its small size, high speed assembly, and improved signal quality. And unlike regular FFC connectors, these have a pitch of 0.2mm to 0.3mm, allowing them to be used in space-constrained applications. Additionally, the design of the 0462 FFC connector ensures reliable electrical connections, making them very reliable and suitable for applications such as power delivery.

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